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https://issues.apache.org/jira/browse/FLINK-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen resolved FLINK-4702.
---------------------------------
Resolution: Fixed
Fixed in
- 1.2.0 via 92f4539afc714f7dbd293c3ad677b3b5807c6911
- 1.1.3 via 90d77594fffda1d8d15658d363c478ea6430514e
> Kafka consumer must commit offsets asynchronously
> -------------------------------------------------
>
> Key: FLINK-4702
> URL: https://issues.apache.org/jira/browse/FLINK-4702
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Affects Versions: 1.1.2
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Blocker
> Fix For: 1.2.0, 1.1.3
>
>
> The offset commit calls to Kafka may occasionally take very long.
> In that case, the {{notifyCheckpointComplete()}} method blocks for long and
> the KafkaConsumer cannot make progress and cannot perform checkpoints.
> Kafka 0.9+ have methods to commit asynchronously.
> We should use those and make sure no more than one commit is concurrently in
> progress, to that commit requests do not pile up.
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